An act-by-act summary of King Lear, focusing on the moments that matter most for your Leaving Cert essays.

Why King Lear Matters for the LC

King Lear is one of the most frequently examined Shakespeare plays on the Leaving Cert. It appears as a Single Text on Paper 2, and it suits almost every question type: tragic hero, key relationships, imagery, the role of a minor character, conflict, and more. The play is dense, but if you know the shape of the plot and can pinpoint the key turning points, you can write confidently on any question. This summary gives you that foundation.

Act 1: The Love Test and Its Consequences

Lear, aging and tired of ruling, decides to divide his kingdom among his three daughters. But he does not simply hand it over. He demands a public declaration of love, a performance. Goneril and Regan play the game perfectly, outdoing each other with extravagant praise. Cordelia, his youngest and favourite, refuses. She says she loves him “according to my bond, no more nor less.”

Lear is furious. He banishes Cordelia and divides her share between Goneril and Regan. The Earl of Kent, who tries to defend Cordelia, is banished too. In the space of a single scene, Lear has driven away the only two people who were telling him the truth. This is the catastrophic error that sets the entire tragedy in motion.

Meanwhile, Shakespeare introduces the subplot. Edmund, Gloucester’s illegitimate son, forges a letter to convince his father that Edgar, the legitimate heir, is plotting against him. Gloucester believes it immediately. The parallel is deliberate: both Lear and Gloucester are fathers who reject the loyal child and trust the deceitful one. Shakespeare wants you to see that this kind of blindness is not unique to Lear. It is a human failing.

By the end of Act 1, Lear is already clashing with Goneril, who reduces his train of knights and treats him with open contempt. He curses her viciously and leaves for Regan’s house, expecting better treatment. He will not get it.

Act 2: The Trap Closes

Lear arrives at Gloucester’s castle to find Kent, now disguised as a servant called Caius, locked in the stocks on Regan’s orders. This is a deliberate insult: punishing the king’s messenger is the same as punishing the king. Lear cannot believe it. He is still thinking like a man with power, but his power is already gone.

Regan and Goneril join forces against him. They reduce his retinue from a hundred knights to fifty, then twenty-five, then ten, then none. Regan’s question, “What need one?”, strips Lear of his last shred of dignity. His response is one of the most important speeches in the play:

“O, reason not the need! Our basest beggars / Are in the poorest thing superfluous.”

He is saying that human dignity cannot be measured by what is strictly necessary. Even the poorest person has something beyond bare survival. If you reduce a person to only what they need, you reduce them to an animal. This speech is essential for essays on Lear’s development, because it is the moment where he begins, dimly, to understand something about what it means to be powerless.

Lear storms out into the approaching storm. The doors close behind him. His daughters do not follow.

Act 3: The Storm and the Stripping Away

The storm scenes are the emotional centre of the play. Lear is out on the heath, exposed to the elements, raging against the weather and against his daughters. The storm works on two levels: it is a real storm, and it mirrors the chaos inside Lear’s mind as he begins to lose his sanity.

But something crucial happens here. Lear, for the first time, thinks about other people. He thinks about the “poor naked wretches” who have no shelter, and he recognises that as king he never cared about them:

“O, I have ta’en too little care of this!”

This is the turning point in Lear’s moral development. He is losing his mind, but he is gaining empathy. Shakespeare is making a deliberate point: it took the loss of everything for Lear to see what was always there. For any essay on Lear as a tragic hero, this moment is critical. The tragedy is not just that Lear suffers. It is that understanding comes too late to save him.

In the subplot, Gloucester is betrayed by Edmund, who reveals his father’s loyalty to Lear. Cornwall and Regan punish Gloucester by gouging out his eyes on stage, one of the most shocking moments in all of Shakespeare. As Gloucester is blinded, a servant intervenes and fatally wounds Cornwall. It is a small act of justice in a play where justice is rare.

Edgar, still in disguise as Poor Tom, finds his blinded father and begins to guide him. The parallel to the main plot deepens: both fathers have been destroyed by trusting the wrong child, and both are now dependent on the child they rejected.

Act 4: Journeys Towards Truth

Act 4 is about convergence. Characters move towards each other, and towards understanding. Gloucester, blind and despairing, asks Edgar (still disguised) to lead him to the cliffs of Dover so he can throw himself off. Edgar stages a fake fall to cure his father of despair. It is a strange, tender scene, and it raises questions about whether deception can sometimes be an act of love.

Lear, now fully mad, meets Gloucester in one of the play’s most powerful scenes. Two ruined old men, one blind and one insane, recognising each other. Lear’s ramblings in this scene contain some of his sharpest observations about justice, authority, and hypocrisy. He sees more clearly in his madness than he ever did as king.

Cordelia has returned with the French army to rescue her father. When Lear wakes in her care, he barely recognises her. When he does, he expects her to hate him. Instead, she forgives him. The reunion is quiet and devastating: “No cause, no cause,” she says when he tells her she has reason to be angry. For essays on key relationships, this scene is your strongest material.

Act 5: The Catastrophe

The French forces are defeated. Lear and Cordelia are captured. Edmund orders their execution. Edgar reveals Edmund’s treachery and defeats him in single combat. Goneril, who has poisoned Regan out of jealousy over Edmund, kills herself. Edmund, dying, tries to rescind his order to kill Cordelia. He is too late.

Lear enters carrying Cordelia’s body. It is the final image of the play, and it is unbearable. He howls. He checks for breath with a feather. He dies, possibly believing she is still alive, possibly simply broken by grief. Kent’s line, “The wonder is he hath endured so long,” speaks for the audience.

“Why should a dog, a horse, a rat, have life, / And thou no breath at all?”

There is no justice in Cordelia’s death. She did nothing wrong. Shakespeare refuses to give us a comforting ending, and that refusal is what makes King Lear a tragedy rather than a moral lesson. The world of this play is one where goodness does not guarantee survival.

How to Use This Summary in Your Exam

For Paper 2 Single Text questions, you rarely need to retell the plot. The examiner wants you to use plot knowledge to support an argument. If the question asks about a tragic hero, focus on Act 1 (the error), Act 3 (the suffering and insight), and Act 5 (the catastrophe). If it asks about a key relationship, Lear and Cordelia gives you Acts 1, 4, and 5. If it asks about a key scene, the storm (Act 3) or the blinding of Gloucester work for almost any angle.

Always pair your plot knowledge with specific quotes. The examiner is not testing whether you can summarise the story. They are testing whether you can analyse it. Use this summary to know where to find the moments that matter, then build your essay around what those moments reveal.